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Ymorist [56]
3 years ago
13

Simplify, using the distributive property and then combining like terms. 5(3a+b)−2(3a+b)

Mathematics
2 answers:
creativ13 [48]3 years ago
8 0

Answer:

9a + 3b

Step-by-step explanation:

Given

5(3a + b) - 2(3a + b) ← distribute both parenthesis

= 15a + 5b - 6a - 2b ← collect like terms

= 9a + 3b

FinnZ [79.3K]3 years ago
5 0

Answer:

The final answer would be 9a + 3b .

Step-by-step explanation:

Solve the following equation:

5(3a+b)-2(3a+b)

Use <u>Distributive Property</u>:

5(3a+b)-2(3a+b)

15a + 5b - 6a - 2b

-Combine 15a and 6a:

15a + 5b - 6a - 2b

9a + 5b - 2b

-Combine 5b and -2b:

9a + 5b - 2b

9a + 3b

So, the answer is 9a + 3b .

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Factor completely 64x2 − 49. (1 point)
Roman55 [17]

Answer:

(8x-7)(8x+7)

Step-by-step explanation:

This is a difference of squares polynomial of the form a^2-b^2=(a+b)(a-b). Since 64 and 9 are both perfect squares then take the square root of each so a=8 and b=7.

Factors:(8x-7)(8x+7)

6 0
3 years ago
The formula for the perimeter of a rectangle is . What is the length of the unknown side of the rectangle below, if the perimete
Troyanec [42]

Answer:

Step-by-step explanation:

P=2l+2w

28=2l+2w

2l=2w-28

l = (2w-28)/2

l =2(w-14)/2

l = w-14

7 0
3 years ago
Which equation shows the point-slope form of the line that passes through (3, 2) and has a slope of 1/3
Vikentia [17]

Answer:

y-2=1/3(x-3)

Step-by-step explanation:

Point slope formula: y-y1=m(x-x1)

m is slope.

y-2=1/3(x-3)

Hope this helps!

If not, I am sorry.

3 0
2 years ago
suppose you have 192 marbles in groups of 15 marbles each. Find the number of groups of marbles that you have. Write the quotien
stepan [7]
So if you have 192 marbles and you want to group them in groups of 15 marbles each
you would see how many times 15's there are in 192 or how many 192's would go into 15

so 192/15 or 
12 and 12/15
8 0
3 years ago
Read 2 more answers
Write an recursive formula for An, the nth term of the sequence<br> 5, -2, -9,
oksian1 [2.3K]

Given:

The given sequence is:

5,-2,-9,...

To find:

The recursive formula for a_n, the nth term of the sequence.

Solution:

We have,

5,-2,-9,...

Here, the first term is 5.

-2-5=-7

-9-(-2)=-9+2

-9-(-2)=-7

The common difference is -7.

The recursive formula for the nth term of the sequence is

a_n=a_{n-1}+d

Where, d is the common difference.

Putting d=-7 in the above formula, we get

a_n=a_{n-1}+(-7)

a_n=a_{n-1}-7

Therefore, the recursive formula for the nth term of the sequence is a_n=a_{n-1}-7.

3 0
3 years ago
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